Suggest easy tips for Garmin map update

I’m using Garmin GPS unit for finding out the rough or undesired locations exactly. With the help of GPS technology, I can reach at the right destination comfortably. I want to get a list of recent maps, softwares and locations, so I can drive my car easily and safely.  I want to update my Garmin maps and softwares, but I am facing problems. I don’t have much experience for Garmin map update procedure. It has become a big task for me, hence I want to take the specialized help from Garmin professionals. Therefore, anyone can share the easy tips to update Garmin maps and software.